Rudbeckia hirta Prairie Sun Ref: TM01407728 SowingSow February to March at 20-25C (68-77F) on the surface of a good free draining, damp seed compost. Apply a very fine sprinkling of compost or vermiculite. Place in a propagator or seal container inside a polythene bag until after germination which usually takes 10-21 days. Do not exclude light at any stage, as this helps germination.GrowingTransplant, when large enough to handle into 7.5cm (3 inch) pots. Grow on in cooler conditons for 10-15 days before planting out after all risk of frost, 30cm (12 inches) apart.Aftercare Prefers a well drained soil in full sun. Flowers late summer to autumn.FloweringSummer to AutumncroppingPlant typeHalf-hardy Annual Price: £2.49 Quantity: